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    Re: cel nav for USCG cadets
    From: James N Wilson
    Date: 2011 Jul 25, 19:38 -0700

    Relative to equal altitudes, I'll issue my standard warning that observer
    motion and declination change need to be considered.
    
    I may not live long enough for the popular myth that the simple averaging
    of times of observed equal altitudes is dispelled.
    
    Jim Wilson
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